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Canal states in bilayer thin films of zero-range potentials

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Abstract

Canal (discrete, 2D-localized) states embedded in continuum are studied for a particle interacting with thin 3D layer of 2D-periodic zero-range potentials. General analysis is presented for a “molecular monolayer” obtained by 2D periodic mapping of N different zero-range scatterers. Numerical calculations of canal states are performed for the case of an atomic bilayer on a square lattice. For particle scattering on this system we demonstrate the manifestations of canal states in impact-energy and impact-angles dependence of total reflection/transmission probabilities. Special cases when energy eigenvalues of the canal states tend to scattering thresholds are also analyzed.

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This manuscript has no associated data or the data will not be deposited. [Authors’ comment: This is a theoretical study and there are no experimental data.]

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Acknowledgements

This work was supported by Serbia-JINR collaboration program.

Funding

Funding was providided by Ministry of science, technological development and innovations, Republic of Serbia.

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Both authors contributed equally to this work.

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Correspondence to Tasko P. Grozdanov.

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Grozdanov, T.P., Solov’ev, E.A. Canal states in bilayer thin films of zero-range potentials. Eur. Phys. J. Plus 139, 425 (2024). https://doi.org/10.1140/epjp/s13360-024-05244-6

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  • DOI: https://doi.org/10.1140/epjp/s13360-024-05244-6

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